<template>
    <div class="login_page fillcontain">
        <transition name="form-fade"
                    mode="in-out">
            <section class="form_contianer"
                     v-show="showLogin">
                <div class="manage_tip">
                    <p>后台管理系统</p>
                </div>
                <el-form :model="loginForm"
                         :rules="rules"
                         ref="loginForm">
                    <el-form-item prop="username">
                        <el-input v-model="loginForm.username"
                                  placeholder="用户名"><span>dsfsf</span></el-input>
                    </el-form-item>
                    <el-form-item prop="password">
                        <el-input type="password"
                                  placeholder="密码"
                                  v-model="loginForm.password"></el-input>
                    </el-form-item>
                    <el-form-item>
                        <el-button type="primary"
                                   @click="submitForm('loginForm')"
                                   class="submit_btn">登陆</el-button>
                    </el-form-item>
                </el-form>
                <p class="tip">温馨提示：</p>
                <p class="tip">未登录过的新用户，自动注册</p>
                <p class="tip">注册过的用户可凭账号密码登录</p>
            </section>
        </transition>
    </div>
</template>

<script>
import { login, getAdminInfo } from '@/api/getData'
import { mapActions, mapState } from 'vuex'

export default {
    data () {
        return {
            loginForm: {
                username: '',
                password: '',
            },
            rules: {
                username: [
                    { required: true, message: '请输入用户名', trigger: 'blur' },
                ],
                password: [
                    { required: true, message: '请输入密码', trigger: 'blur' }
                ],
            },
            showLogin: false,
        }
    },
    mounted () {
        console.log("mounted begin")
        console.log(this.adminInfo.id)
        this.showLogin = true;
        if (!this.adminInfo.id) {
            this.getAdminData()
        }
        console.log("mounted end")
    },
    computed: {
        ...mapState(['adminInfo']),
    },
    methods: {
        ...mapActions(['getAdminData']),
        async submitForm (formName) {
            this.$refs[formName].validate(async (valid) => {
                if (valid) {
                    const res = await login({ user_name: this.loginForm.username, password: this.loginForm.password })
                    if (res.status == 1) {
                        this.$message({
                            type: 'success',
                            message: '登录成功'
                        });
                        this.$router.push('manager')
                    } else {
                        this.$message({
                            type: 'error',
                            message: res.message
                        });
                    }
                } else {
                    this.$notify.error({
                        title: '错误',
                        message: '请输入正确的用户名密码',
                        offset: 100
                    });
                    return false;
                }
            });
        },
    },
    watch: {
        adminInfo: function (newValue) {
            console.log("watch adminInfo newValue ")
            console.log(newValue)
            if (newValue.id) {
                this.$message({
                    type: 'success',
                    message: '检测到您之前登录过，将自动登录'
                });
                this.$router.push('manager')
            }
        }
    }
}
</script>


<style lang="less" scoped>
@import "../style/mixin";
.login_page {
    background-color: #324057;
}
.manage_tip {
    position: absolute;
    width: 100%;
    top: -100px;
    left: 0;
    p {
        font-size: 34px;
        color: #fff;
    }
}
.form_contianer {
    .wh(320px, 220px);
    .ctp(320px, 220px);
    padding: 25px;
    border-radius: 5px;
    text-align: center;
    background-color: #fff;
    .submit_btn {
        width: 100%;
        font-size: 16px;
    }
}
.tip {
    font-size: 12px;
    color: red;
}
.form-fade-enter-active,
.form-fade-leave-active {
    transition: all 1s;
}
.form-fade-enter,
.form-fade-leave-active {
    transform: translate3d(0, -50px, 0);
    opacity: 0;
}
</style>
